1 /**
2  * Describes functions for converting memory error CPER sections from binary and JSON format
3  * into an intermediate format.
4  *
5  * Author: Lawrence.Tang@arm.com
6  **/
7 #include <stdio.h>
8 #include "json.h"
9 #include "../edk/Cper.h"
10 #include "../cper-utils.h"
11 #include "cper-section-memory.h"
12 
13 //Converts a single memory error CPER section into JSON IR.
14 json_object* cper_section_platform_memory_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
15 {
16     EFI_PLATFORM_MEMORY_ERROR_DATA* memory_error = (EFI_PLATFORM_MEMORY_ERROR_DATA*)section;
17     json_object* section_ir = json_object_new_object();
18 
19     //Validation bitfield.
20     json_object* validation = bitfield_to_ir(memory_error->ValidFields, 22, MEMORY_ERROR_VALID_BITFIELD_NAMES);
21     json_object_object_add(section_ir, "validationBits", validation);
22 
23     //Error status.
24     json_object* error_status = cper_generic_error_status_to_ir(&memory_error->ErrorStatus);
25     json_object_object_add(section_ir, "errorStatus", error_status);
26 
27     //Bank.
28     json_object* bank = json_object_new_object();
29     json_object_object_add(bank, "address", json_object_new_uint64(memory_error->Bank & 0xFF));
30     json_object_object_add(bank, "group", json_object_new_uint64(memory_error->Bank >> 8));
31     json_object_object_add(section_ir, "bank", bank);
32 
33     //Memory error type.
34     json_object* memory_error_type = integer_to_readable_pair(memory_error->ErrorType, 16,
35         MEMORY_ERROR_TYPES_KEYS,
36         MEMORY_ERROR_TYPES_VALUES,
37         "Unknown (Reserved)");
38     json_object_object_add(section_ir, "memoryErrorType", memory_error_type);
39 
40     //"Extended" row/column indication field + misc.
41     json_object* extended = json_object_new_object();
42     json_object_object_add(extended, "rowBit16", json_object_new_boolean(memory_error->Extended & 0b1));
43     json_object_object_add(extended, "rowBit17", json_object_new_boolean((memory_error->Extended >> 1) & 0b1));
44     json_object_object_add(extended, "chipIdentification", json_object_new_int(memory_error->Extended >> 5));
45     json_object_object_add(section_ir, "extended", extended);
46 
47     //Miscellaneous numeric fields.
48     json_object_object_add(section_ir, "physicalAddress", json_object_new_uint64(memory_error->PhysicalAddress));
49     json_object_object_add(section_ir, "physicalAddressMask", json_object_new_uint64(memory_error->PhysicalAddressMask));
50     json_object_object_add(section_ir, "node", json_object_new_uint64(memory_error->Node));
51     json_object_object_add(section_ir, "card", json_object_new_uint64(memory_error->Card));
52     json_object_object_add(section_ir, "moduleRank", json_object_new_uint64(memory_error->ModuleRank));
53     json_object_object_add(section_ir, "device", json_object_new_uint64(memory_error->Device));
54     json_object_object_add(section_ir, "row", json_object_new_uint64(memory_error->Row));
55     json_object_object_add(section_ir, "column", json_object_new_uint64(memory_error->Column));
56     json_object_object_add(section_ir, "bitPosition", json_object_new_uint64(memory_error->BitPosition));
57     json_object_object_add(section_ir, "requestorID", json_object_new_uint64(memory_error->RequestorId));
58     json_object_object_add(section_ir, "responderID", json_object_new_uint64(memory_error->ResponderId));
59     json_object_object_add(section_ir, "targetID", json_object_new_uint64(memory_error->TargetId));
60     json_object_object_add(section_ir, "rankNumber", json_object_new_uint64(memory_error->RankNum));
61     json_object_object_add(section_ir, "cardSmbiosHandle", json_object_new_uint64(memory_error->CardHandle));
62     json_object_object_add(section_ir, "moduleSmbiosHandle", json_object_new_uint64(memory_error->ModuleHandle));
63 
64     return section_ir;
65 }
66 
67 //Converts a single memory error 2 CPER section into JSON IR.
68 json_object* cper_section_platform_memory2_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
69 {
70     EFI_PLATFORM_MEMORY2_ERROR_DATA* memory_error = (EFI_PLATFORM_MEMORY2_ERROR_DATA*)section;
71     json_object* section_ir = json_object_new_object();
72 
73     //Validation bits.
74     json_object* validation = bitfield_to_ir(memory_error->ValidFields, 22, MEMORY_ERROR_2_VALID_BITFIELD_NAMES);
75     json_object_object_add(section_ir, "validationBits", validation);
76 
77     //Error status.
78     json_object* error_status = cper_generic_error_status_to_ir(&memory_error->ErrorStatus);
79     json_object_object_add(section_ir, "errorStatus", error_status);
80 
81     //Bank.
82     json_object* bank = json_object_new_object();
83     json_object_object_add(bank, "address", json_object_new_uint64(memory_error->Bank & 0xFF));
84     json_object_object_add(bank, "group", json_object_new_uint64(memory_error->Bank >> 8));
85     json_object_object_add(section_ir, "bank", bank);
86 
87     //Memory error type.
88     json_object* memory_error_type = integer_to_readable_pair(memory_error->MemErrorType, 16,
89         MEMORY_ERROR_TYPES_KEYS,
90         MEMORY_ERROR_TYPES_VALUES,
91         "Unknown (Reserved)");
92     json_object_object_add(section_ir, "memoryErrorType", memory_error_type);
93 
94     //Status.
95     json_object* status = json_object_new_object();
96     json_object_object_add(status, "value", json_object_new_int(memory_error->Status));
97     json_object_object_add(status, "state", json_object_new_string(memory_error->Status & 0b1 == 0 ? "Corrected" : "Uncorrected"));
98     json_object_object_add(section_ir, "status", status);
99 
100     //Miscellaneous numeric fields.
101     json_object_object_add(section_ir, "physicalAddress", json_object_new_uint64(memory_error->PhysicalAddress));
102     json_object_object_add(section_ir, "physicalAddressMask", json_object_new_uint64(memory_error->PhysicalAddressMask));
103     json_object_object_add(section_ir, "node", json_object_new_uint64(memory_error->Node));
104     json_object_object_add(section_ir, "card", json_object_new_uint64(memory_error->Card));
105     json_object_object_add(section_ir, "module", json_object_new_uint64(memory_error->Module));
106     json_object_object_add(section_ir, "device", json_object_new_uint64(memory_error->Device));
107     json_object_object_add(section_ir, "row", json_object_new_uint64(memory_error->Row));
108     json_object_object_add(section_ir, "column", json_object_new_uint64(memory_error->Column));
109     json_object_object_add(section_ir, "rank", json_object_new_uint64(memory_error->Rank));
110     json_object_object_add(section_ir, "bitPosition", json_object_new_uint64(memory_error->BitPosition));
111     json_object_object_add(section_ir, "chipID", json_object_new_uint64(memory_error->ChipId));
112     json_object_object_add(section_ir, "requestorID", json_object_new_uint64(memory_error->RequestorId));
113     json_object_object_add(section_ir, "responderID", json_object_new_uint64(memory_error->ResponderId));
114     json_object_object_add(section_ir, "targetID", json_object_new_uint64(memory_error->TargetId));
115     json_object_object_add(section_ir, "cardSmbiosHandle", json_object_new_uint64(memory_error->CardHandle));
116     json_object_object_add(section_ir, "moduleSmbiosHandle", json_object_new_uint64(memory_error->ModuleHandle));
117 
118     return section_ir;
119 }